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CVE Record

CVE-2022-21618: Vulnerability in the Oracle Java SE, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component...

Vulnerability in the Oracle Java SE, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: JGSS). Supported versions that are affected are Oracle Java SE: 17.0.4.1, 19; Oracle GraalVM Enterprise Edition: 21.3.3 and 22.2.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via Kerberos to compromise Oracle Java SE, Oracle GraalVM Enterprise Edition. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Java SE, Oracle GraalVM Enterprise Edition accessible data. Note: This vulnerability applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. This vulnerability can also be exploited by using APIs in the specified Component, e.g., through a web service which supplies data to the APIs. CVSS 3.1 Base Score 5.3 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N).

MediumCVSS 5.3Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2022-21618 is an Oracle Java and GraalVM Enterprise issue in the JGSS Kerberos component. A remote unauthenticated attacker could affect data integrity in vulnerable deployments. Business urgency is moderate: exposure depends on specific Java versions and whether applications use Kerberos/JGSS APIs or run untrusted sandboxed Java code.

Executive priority

Treat as a moderate patching item, elevated where Kerberos-enabled Java services or legacy untrusted Java client code exist. It is not described as exploited in the provided sources, but the unauthenticated network vector makes affected internet-adjacent or authentication infrastructure integrations worth prioritizing.

Technical view

The CVE describes a CWE-287 authentication weakness in Oracle Java SE and GraalVM Enterprise Edition JGSS. Affected versions listed are Java SE 17.0.4.1 and 19, and GraalVM EE 21.3.3 and 22.2.0. CVSS 3.1 is 5.3 with network attack vector, low complexity, no privileges, no user interaction, and low integrity impact.

Likely exposure

Most exposed environments are those running the affected Oracle Java or GraalVM versions with Kerberos/JGSS use, Java Web Start, applets, or services passing data into JGSS APIs. Generic Java installations without those versions or code paths are less likely to be exposed.

Exploitation context

The source bundle says the vulnerability is easily exploitable over a network via Kerberos. It does not cite public exploitation, and KEV is false, so active exploitation should not be assumed. Impact is limited to unauthorized update, insert, or delete access to some accessible data.

Researcher notes

Evidence is strongest for affected versions, attack vector, and impact from the CVE description. The bundle does not provide exact fixed version mappings or proof-of-concept details. Validation should focus on version inventory and whether JGSS/Kerberos inputs are reachable through application or client workflows.

Mitigation direction

  • Apply applicable Oracle CPU, Fedora, Gentoo, or vendor-provided Java updates.
  • Check NetApp guidance if affected Java components are embedded in NetApp products.
  • Prioritize systems using Kerberos, JGSS, Java Web Start, applets, or untrusted Java code.
  • Retire or isolate sandboxed Java applet and Web Start workflows where still present.
  • If no fixed version is clear, follow the relevant vendor advisory before deployment.

Validation and detection

  • Inventory Java SE and GraalVM versions across servers, endpoints, and containers.
  • Identify applications using Kerberos, JGSS, or Java GSS-API integrations.
  • Check whether any Java Web Start or applet workflows remain in use.
  • Confirm vendor advisory status for Oracle, Linux distribution, and appliance-managed Java packages.
  • Verify upgraded systems no longer report affected Java or GraalVM versions.
Prepared
Confidence
high
Sources
9

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · medium confidence lookup

CWE-287: Credential and account abuse lookup

Authentication and credential weaknesses can make valid-account abuse and credential telemetry useful review starting points. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2022-21618 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Medium
CVSS
5.3 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
3Timeline events
2ADP providers
8Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: yesTechnical Impact: partial

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
5.3CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N3.91.4oracle

Vulnerability scoring details

Base CVSS 3.1 score

5.3Medium
CVSS 3.1 vector shape for CVE-2022-21618Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  2. CVE publishedCVE Program

    The CVE record was published.

  3. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

ADP provider summaries

CVECVE Program Container
CISA-ADPCISA ADP Vulnrichment
other:ssvc

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
Oracle CorporationJava SE JDK and JREOracle Java SE:17.0.4.1, Oracle Java SE:19, Oracle GraalVM Enterprise Edition:21.3.3, Oracle GraalVM Enterprise Edition:22.2.0Listed
Weakness

CWE details

CWE-287

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.